TYPE Byzantine Empire, Justin I and Justinian I joint reign (Apr. - Aug. 527 AD), bronze follis, Constantinople mint DESCRIPTION . Obv: Diademed emperor's bust to right, Latin legend [D N IVSTIN] E IVSTINIAN PP AVG Rev: Denomination (M = 40 nummi), star to left, crosses above and to right, officina A and mintmark CON at the botom REFERENCE: SB 125, Be 112 GRADING: AF / F+, darker patina, encrustation, scarce ORDER INFO: B1938, $62 The formal elevation of Justinian, the able nephew of Justin I, to the rank of co-emperor, ensured a smooth succession, and produced scarce joint issues during the few months prior to Justin's death.